Transformers The core type transformer provides _______ Lesser average length per turn Much longer magnetic path Shorter magnetic path None of the listed here Lesser average length per turn Much longer magnetic path Shorter magnetic path None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Transformers The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns? 450 210 900 350 450 210 900 350 ANSWER DOWNLOAD EXAMIANS APP
Transformers The winding of the transformer with greater number of turns will be _____ Low voltage winding None of the listed here High voltage winding Either high or low voltage winding Low voltage winding None of the listed here High voltage winding Either high or low voltage winding ANSWER DOWNLOAD EXAMIANS APP
Transformers Natural oil cooling is used for transformers up to a rating of 3000 kVA 250 kVA 1000 kVA 500 kVA 3000 kVA 250 kVA 1000 kVA 500 kVA ANSWER DOWNLOAD EXAMIANS APP
Transformers When secondary of a current transformer is open-circuited its iron core will be hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen hot because primary will carry heavy current hot because of heavy iron losses taking place in it due to high flux density cool as there is no secondary current none of above will happen ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following transformer should never have the secondary open circuited while the primary is energised? Potential transformer Power transformer Auto transformer Current transformer Potential transformer Power transformer Auto transformer Current transformer ANSWER DOWNLOAD EXAMIANS APP
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